Table 2.
Subject | Length (u’v’ unit) | Ratio | Angle (degree) |
---|---|---|---|
Male Alouatta caraya | |||
Ellipse 1 | 0.022158 | 1.2608 | 28.053 |
Ellipse 2 | 0.022844 | 1.3323 | 138.134 |
Ellipse 3 | 0.040704 | 2.7798 | 116.07 |
Female Alouatta seniculus | |||
Ellipse 1 | 0.043602 | 1.2659 | 130.95 |
Ellipse 2 | 0.04284 | 1.241 | 101.06 |
Ellipse 3 | 0.048058 | 1.5154 | 106.87 |
Subjects were tested using an adaptation from Goulart et al. [24] colour vision test, for the Alouatta genus. Length = Major axis of the ellipses in u’v’units of CIE 1976 chromaticity diagram units, Ratio = major axis length over minor axis length, Angle = relative angle of the major axis in degrees